28673463 has 16 divisors (see below), whose sum is σ = 47054336. Its totient is φ = 15124320.

The previous prime is 28673453. The next prime is 28673467. The reversal of 28673463 is 36437682.

It is not a de Polignac number, because 28673463 - 2¹⁶ = 28607927 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28673467) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52243 + ... + 52788.

It is an arithmetic number, because the mean of its divisors is an integer number (2940896).

Almost surely, 2^28673463 is an apocalyptic number.

28673463 is a deficient number, since it is larger than the sum of its proper divisors (18380873).

28673463 is a wasteful number, since it uses less digits than its factorization.

28673463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105054.

The product of its digits is 145152, while the sum is 39.

The square root of 28673463 is about 5354.7607789704. The cubic root of 28673463 is about 306.0741949183.

The spelling of 28673463 in words is "twenty-eight million, six hundred seventy-three thousand, four hundred sixty-three".